package bit.lotterysystem.common.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import java.util.Collection;
import java.util.List;
import java.util.concurrent.TimeUnit;

@Configuration
public class RedisUtil {

    private static final Logger logger= LoggerFactory.getLogger(RedisUtil.class);

    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    public boolean set(String key, String value) {
        try{
            stringRedisTemplate.opsForValue().set(key, value);
            return true;
        }catch(Exception e){
            logger.error("Redis error,set({},{})",key,value);
            return false;
        }
    }

    public boolean set(String key,String value,Long time) {
        try{
            stringRedisTemplate.opsForValue().set(key,value,time, TimeUnit.SECONDS);
            return true;
        }catch(Exception e){
            logger.error("RedisUtil error,set({},{},{})",key,value,time,e);
            return false;
        }
    }

    public String get(String key){
        try{
            return StringUtils.hasText(key)?stringRedisTemplate.opsForValue().get(key):null;
        }catch(Exception e){
            logger.error("RedisUtil error,get({})",key);
            return null;
        }
    }

    public boolean del(String ... key){
       try{
           if(key!=null&&key.length>0){
               if(key.length==1){
                   stringRedisTemplate.delete(key[0]);
               }
               else if(key.length>1){
                   stringRedisTemplate.delete((Collection<String>) CollectionUtils.arrayToList(key));//删除集合
               }
           }
           return true;
       }catch(Exception e){
           logger.error("RedisUtil error,del({})",key);
           return false;
       }
    }

    public boolean hasKey(String key){
        try{
            if(StringUtils.hasText(key)){
                return stringRedisTemplate.hasKey(key);
            }
            return false;
        }catch(Exception e){
            logger.error("RedisUtil error,hasKey({})",key);
            return false;
        }

    }
}
